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nasty-shy [4]
3 years ago
12

Which triangles are right triangles? Select ALL correct answers.

Mathematics
1 answer:
vredina [299]3 years ago
5 0

Answer:

2 , 3 ,4

Step-by-step explanation:

to find the right triangle use the pythagorian method

A^2+B^2= C^2

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The ratio of boys to girls at a movie is 4:7. If there are 21. girls, how many boys are
IrinaVladis [17]

Answer:

12

Step-by-step explanation:

7*3=21 so 4*3=12

3 0
3 years ago
Will give first person to answer brainliest!! At a local baseball game, tickets cost $4 for adults and $2 for students. If there
S_A_V [24]

Answer:

let x adult and y student attended

x+y= 94

x=94-y

again

4x+2y = 294                               53 adults and 41 student attended

376-4y+2y =294                                           the  event

2y =82

y=41

substituting the value of y in

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Step-by-step explanation:

8 0
3 years ago
What is the answer too 4(2x+1)
Archy [21]

Answer:

8x+4

Step-by-step explanation:

4(2x+1)=8x+4

8 0
3 years ago
Read 2 more answers
Dan can run 1000 meters in 5 minutes how many can he run in 2 minutes
Rudik [331]

Answer:

800 m

Step-by-step explanation:

6 0
3 years ago
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Z varies jointly as x and y. z=60 when x=5 and y=6. find z when x = 7 and y=3
Aneli [31]

Answer:

z = 42

Step-by-step explanation:

The question can be answered in 2 steps as follows:

Step 1: Calculation of the constant of the variation

The equation for the joint variation can be given as follows:

z = cxy ................... (1)

Where;

z = 60

c = constant = ?

x = 5

y = 6

Substituting the values into equation (1) and solve c, we have:

60 = c * 5 * 6

60 = c * 30

c = 60 / 30

c = 2

Step 2: find z when x = 7 and y = 3

Since from Step 1 c = 2, we now use equation (1) and substitute the values into it to find z as follows:

z = 2 * 7 * 3

z = 42

4 0
3 years ago
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